Wiktionary
crackpottery
n. The behaviour of a crackpot; madness.
Usage examples of "crackpottery".
My darling Elaine was as willing to accept the crackpottery of a Von Daniken as she was the serious studies of researchers such as Dr.
Twenty years of stubborn rationality in the face of rampant crackpottery had left her creative side screaming for release.